net: decrease cached dst counters in dst_release

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CVE-2025-22057

CVE-2025-22057 : In the Linux kernel, the fix for an issue with decreasing cached dst counters in dst_release was incomplete when CONFIG_DST_CACHE is enabled and OvS tunnels are used, potentially leading to a kernel NULL page fault during dst cache destruction. The upstream patch moves the decrem...

CVE-2025-22057

In the Linux kernel, the following vulnerability has been resolved: net: decrease cached dst counters in dstrelease Upstream fix ac888d58869b "net: do not delay dstentriesadd in dstrelease" moved decrementing the dst count from dstdestroy to dstrelease to avoid accessing already freed data in cas...

PT-2025-16697

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the handling of cached destination counters in the dst release function. When CONFIG DST CACHE is enabled and Open vSwit...